{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597485885",
    "entityType": "User",
    "nonce": "0x1121ad3da4066fce69fd806e91a80448f0771ed7f8ea81fd4f9bee0e79da63fe",
    "signature": "0x286c821a15f99d227ffd7ec368b7ecfc2b9b8c8a6065c255e80fef5748c434ef4ee5b5685f0584bdac86145e2f4149a5057b09286365b4ff08158c12f4c8c8c21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}