{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1803996a37a7d7b993e5e32c405f6e452a93d749f841070718f26d3508a56682",
    "signature": "0x2317aff08e961091ca25203f46860e00971d0a9d15ffd06fe14c004cfc0c77ac2238141f5287cbd7defc4931ee55af253913ac4aa5f810466882dbf005c7b61e1c",
    "signer": "0x404473FcE3Ef521A619aB21957Df14ebD0a371ef",
    "userId": "984106844"
  }
}