{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xa5ae28bbf4f92a4f470e38998150bc9cf271b22346e28e7ca74a22b703d8b56f",
    "signature": "0xad64aab18767104a9fe64981cef829f835b0cd029bc76a6bea35b14f75609269653ee1b56d0ac2ee370d5d3feafc929b75dab8982d2b275b91eef1f4c805305c1c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}