{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135573",
    "entityType": "User",
    "nonce": "0x9cfd47991ff5db48f31c0ccaed41a0aac2569e982f25e8829f91a726a051c61e",
    "signature": "0x0283998488dc7885b396a01e3558d4c6add7860298d3a69d46ade602d6200fc63f535a28fea32255b6b411f6f938a58c04224af6e1c989391bd7898d960542d81c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}