{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186523",
    "entityType": "User",
    "nonce": "0x292ca5840ee1793ba87f29ccf4971a92a69fcf4a424f9e6865034af5bc3773a2",
    "signature": "0xf810d2a66456718b71fae4a6784183df583d0f480cf42ac3ba3ea91967a9eaa2129e30bd8a2a1afc636c0afd2c989efe6e260e94dbb9c2201ee7c1540626cb7a1c",
    "signer": "0xed583fa6490212e6e0C3330C2b6bE3a0Ee6B48c8",
    "userId": "296572582"
  }
}