{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf869497d47d70ebcc14beaf077f0f6e2ae9054c1bcd7d381757f833caef6eab9",
    "signature": "0x0c340a278350d8909330f1128ff19d9ff18436ac754a37bd8145413efe4e99213951d8e74f7bd4da54a35e6bdcfa347756c4c4b7b28fd0fe35f8170d9900eaa51c",
    "signer": "0x80e638BC030f441E73BC4fD6e29ce0628d4cBc1f",
    "userId": "576971559"
  }
}