{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x414d37d2135790e908d889fc90c4e5ea3db64c04ead9354b0194be7310ad3a42",
    "signature": "0x368e134e9997fd584335d100169d8490ba889a7e011aa5b95147e6989aec3cc17b5c103f5ea4c9dba8e9340b59d27f850a3196e6b5e477f508d0d02887c68c551c",
    "signer": "0xe77564b0D249BcBbF18369462D919600D4e53D4a",
    "userId": "860596804"
  }
}