{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617992566",
    "entityType": "User",
    "nonce": "0x45fa0227433e76aee6dde50100166cc47fe5667416cb2fe587ed3b9dc17a96ae",
    "signature": "0x2abf5b2de906850e9243d41521082e3fe632342c70e003bb388b2a0819be7f871d28f5afb085d1dc6c0ec6177ba2861446686eb659d209d48453b0df964367321b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}