{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x8bb433360a5aab8a24ff0395e8b95fe7e2520302bc8b100070b3742731ace4cf",
    "signature": "0x81f6d21120c72847974e0786e878589efe15c87373ce03ea677d3c996b998d7e7aa2e917eb52d8d74eab4656276d84f93764adf6c0e5b9bd9c2fbce63b14a3261c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}