{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58461",
    "entityType": "User",
    "nonce": "0x9446d87a2607ec5df933140704773f0bef2581734004f27a49d6ea5698e7d9d8",
    "signature": "0x619cebd48f47c4092a2f7eb0f2e6de62a0f4599bb1b2bdd44827c22281b43ee032aec9f557884ce5c40e19393b17fe31dd140696bc7bdddd3ec8737be86a0a701b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}