{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xae6d74e6bea04f55686a9009a51da10c9c805403d671866df5223950de80c661",
    "signature": "0x9a261f6ac0bbf0a7d26782a3331ede3f22dce7dc7e5db6e6e5bb9f167703ba2371b4d0f79091f0a72f822af330d0c8513e7da8064f53c05324fcf9fc5fe3946b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}