{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0xe8d329c5b35483b20256470a623f953ff2e2be3fe4e6a9042f78a338ffb3e4c9",
    "signature": "0x129a6b9ff988459930bb49cdd0c8554fd943c3a51f8ec8b4259609f45932152159b0d9b15bde37354f7de12fe0ffc584966b942469ec601984ee9417764717e31b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}