{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13214",
    "entityType": "User",
    "nonce": "0x72de5e467a5425f4a694c23acb8bd6bc88f4ecd013593814a90e9a8ecae3a0e3",
    "signature": "0x431cbe60a182be1259a1b176b92229f6e2f0a71c49b74e76e3b2fa0ee59ee6900301cdaba24ce7b9cd85919cc751d3e79fe81ad6508293da9831b93e8171eead1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}