{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156881",
    "entityType": "User",
    "nonce": "0xba373921537a960f2581df486b74699a461374c9ab54899a8e8bf2672aa50419",
    "signature": "0x02fab1dbcc7e8da5dc54769ef88adae1e816af7b4a0570ad88a70edf2dae8e8d59ea14314273dcb078f89374e40fc5074f740cf3374b41e89759cc7bfaf6f5501c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}