{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328894",
    "entityType": "User",
    "nonce": "0x65117017472fd6398f4fa1e7694d9bdfec34856f6a6f7516546cd8e20687b2a3",
    "signature": "0x9a7e7cbe25a1d32a1a35046148a7104f9d708ff1e8e5f6618627f3602e91401d737cbb888e155c17de7f41a9d21e2bf41e05db3b5207c91548f1ba0c96b3398c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}