{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x0aa26c5e75607ffecdc62d0730c6cf7caeebc8fb75d06aab6e716a9502cf8920",
    "signature": "0xbbcbd0f160cbafe72323883a47415265c44dadea5248be991121b659d8b52f0b209902c7742ee668943721979e2b46c07d7f8084cfc665f807e105f9dcf747dc1b",
    "signer": "0x967B4435e19A35f5816aac93F4a4711e6151E65d",
    "userId": "551036579"
  }
}