{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0xfe7d88501b7d9ff1bad25b0d8d1e19efc849193d7eb88392ef9c4e0f0a81e70a",
    "signature": "0x877a84716f7bfc88e52d238b7bf90e24dee7d68d1413eb2808aeaba75fedcc0176ee5ed1f3e70916074f46758bcbee31ed946d1749234a9854c27dc9a4a11a561c",
    "signer": "0xc2Abfe6f315AF4a0A24c88CC77F83beb742501aB",
    "userId": "274167049"
  }
}