{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x1fb6cbef590ef37630ac1aa5b3b57e4ac872995b116657f7c5759879b24bda42",
    "signature": "0x37032e16e07bf959d5b43c28f8cdaf5fd2ab0cb52eaa975520059a72ced287625db3395851c4bccdaff92d928fae699d3c8518bc8059403dec1995db4faa046f1c",
    "signer": "0x82D44C7Abdfc863304aFbe8F20C401c82c4E9B46",
    "userId": "61795454"
  }
}