{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5639",
    "entityType": "User",
    "nonce": "0x8f760f9b388536c4c112113a6b9e4de73e230cbe2d1252d59f34a0006d914a3c",
    "signature": "0x71bcfb188a22626a531b504a6d95aff005b10e43dc970e91f824a9733ebfe85a549bc2a583ec8754ca591c2c1204b43dde3794053ea46de54d9cc955917d99e71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}