{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x4fdbada0bf30b80f1ac2f8950c9eb1bc343d26e04351233b89d1f6631d073f2c",
    "signature": "0xb5fe682a94dc6adee06fab9ce272bbe8251fbc82ac395e142f527b3cbd96f0b252e5f9b5f79769c0369d5a58819d9d2e6f4ef2c8c94e4d3a401efced390a74321b",
    "signer": "0x28A40873B9659b4DFE3B4500E6B8B44CE9C42314",
    "userId": "782180428"
  }
}