{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168476",
    "entityType": "User",
    "nonce": "0x3ac10a9fc4aeb0fb689f9092d0fb4676a74fc459d4b4e78d30079860bac00e23",
    "signature": "0xad5ae743ea098262edc1874b2bf9d3294e4c71ff60a6bd158c8fdd5d5477fbd93c13114e53505e03c74512740925d099d211a8d7f6f94fb04b875f7772846b651c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}