{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x9665ecefb9c1dc94740a767ce7d1d62f5683eee10897f27ce80cb6ba192d27a7",
    "signature": "0x7dd9e4eaa2ebc5de4ecfe34964557342dad71530455867ab020118711e7ceb545c3375237959442046b4170cf137cd97ba9df20fc6924badd0714c4e2ba6e6271b",
    "signer": "0xB1D4f2861c1E816eF2EDB7Ec072d5A9017d226A1",
    "userId": "156145845"
  }
}