{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x099dfcb1ea98779dbbd31af3794a8307dc0b1f98e1acc6d37251fc51bf0a56c6",
    "signature": "0x3cdf29c37885005b7a16deee16a530006727ec9347d26063feb5cbbe101258ab52c85eeb48c3dbe45442638713a94a949a4ef460b1a07cf0a51901ab02d85c521c",
    "signer": "0x7951f176B5389b0d3a6822d7e0F9286feA14ee7a",
    "userId": "867251596"
  }
}