{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "434928",
    "entityType": "User",
    "nonce": "0x618fa3342752ffdd16bbe15ed5e0e7ab58e508f026c0f9bfba56f60e025c0ab4",
    "signature": "0xfeeef89217a9d5e9a0d20a4081cc933a73c479acf482f20425af20089ff2586d54feb90f54e73438b5c836b063dbfa6c991d4dcc6d09f9fab5549d070415f3341b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}