{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436085883",
    "entityType": "User",
    "nonce": "0x8fa2dee81b2c9b3c0926d8cfa40cb2dfefd492917df6cab82b20ddd35dc725b8",
    "signature": "0xf10a14a0a4efbe0fdef7cbbedfc4e7901e254cb0b00e313a4b68ebd0a382a2690b69dfd74f71ab93a8cdea09f46f09cf299bb1677951b11119efc1df2da832eb1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}