{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314581",
    "entityType": "User",
    "nonce": "0xf57dfaa8da23b7411fac619a52b27f82f52b1963a4d9e3139935560957321568",
    "signature": "0x45f59252b771323db066d61984406ea0795e92cdfa3810c3ffbea2037a1968483f030e4b48a0d0ab54e726d9fac9f54adc12ad939c788161fff87b895255c13e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}