{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87685",
    "entityType": "User",
    "nonce": "0x85ea508486f63ff57b2fe1a3a1744a558c623c7bac06d3e6091673c6769c193c",
    "signature": "0x62fc99c0e6b761455ef1f05d863c54c3333498dbd6bcc9d113d7b2a364df4532260849a28142edb56c1524e827f72b15c44e0c7dbdd25945ab6f0935da36524b1c",
    "signer": "0xe37e3082E6bEE4aBA583b44542CbCbe93ECA05eA",
    "userId": "885355303"
  }
}