{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "763473",
    "entityType": "User",
    "nonce": "0x11d20db3a9fe5fea80858e948eb057480c62c3e37966b6104b5a3decd9693693",
    "signature": "0xf6c4820037ef2781890e26a11976d0898c5997db3a3703d901c4c0e73bd15c984ef31f2c050699abfdccea999f247f3371982c5de7fb4046f4a523af313a7d571c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}