{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x4ded2e916dff7a61a285e12cd0ac2180ab11d66bfdba5f842d5ece341c87df7e",
    "signature": "0x619718711dba816cda15c459a82e7ca115e93f219953ef78f480a1b0e00474537d8951f464e4808b3bc6b74e8221de741c415cb9787ef0fa5ecdc6c6644cbdb31b",
    "signer": "0xB5335ed1f87170Ae7899343b7D241eAB012bd1f2",
    "userId": "37615844"
  }
}