{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x1ce93c43f8574f553e8071e946654066188b61bc\"}",
    "nonce": "0x0ce2b04bc529e92ea0360bf3a57dbbcd1c49fa3c648c1c80f2394bb6322bafea",
    "signature": "0xf2f06cd3b40697e505a8862b9c31dd67504e0c90fffe10ef37d0b90601cb930f4e15193a37c0dacba69bc2d4f15f239bc3d6887920b50eeff5e0a088392d64271c",
    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}