{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0x5b89ba19580b482cc833a87ff2968562002a378623b68234c1b2be53092a79c5",
    "signature": "0xb9a203931e3b366cd50519ef2e7b01bdcd7c60646e78f8d715992b4dfbaed4c92cfc6cfddae999535e2ca9ff7993d86084a0e5efd56dc84cac755c5a0b6ac5861c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}