{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xaf448d015a9ae1f5774de34fc8d6dcea43a3da47debedbde6718c67194458411",
    "signature": "0x1255cc5096098fd9c7ef0e9e554f1f9e4aa78019b036308371fcd3901ee4b6f224652cf59ea3dc1b688eca82522f606fabbb983ce0bfaa9388a0f897367ccbc61c",
    "signer": "0x042430Ea0b49fF0cC9a4fC643805C2245e6d0e2D",
    "userId": "848984353"
  }
}