{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "701027137",
    "entityType": "User",
    "nonce": "0x48a84b58f7314bef28a889515248b225fb22a9615574b77f03b4d708790a8e6d",
    "signature": "0x98b060a87b986d4d7d98ce75218131d2b139280bf2d1339e710819a9d5d5c47428014b63675d1fc95cc797c0c7487ee04a57099009cda9ad5acbb092210539381c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}