{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xa078eeab038eb74536fed37e51160010ac4c0e0a917375f413efe39b57583d1b",
    "signature": "0xc47a325673db0843145a674d13130e9db834fcf252cc84ebadd07d08637c7fce5c10c4bb43cf09e969ad85c4188e6eaed838fea0dbee1f03496e1ce7026633eb1c",
    "signer": "0x606ceaA82dB0b3690BfbD65795826860049161a5",
    "userId": "432081792"
  }
}