{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x4fe82e54381fae78cd4e8d63b70cbf76930cd677920d358a22fb3c0939afee4d",
    "signature": "0x44c4c7839b2c368f7d19b3df1ba7f282a12d3a52d75f666c3924f943466a94cf5d5d228a8416ac9e1d22c4258458a67da8c2b02c3755bfc23327b8881d54370a1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}