{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x41a53fe82ba1bf5c673be24d3ecf56c416f292bc449c3072a76383ee2c9ad184",
    "signature": "0xd76b83e9dc97c650099e658f552bb34ef7b94ee31ff7ded4d07098b85797a56e289f90665d5ff7fcd9efa072e9f8e76e0f250a7565894ae93a01f5de63fa7ef71c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}