{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715633189",
    "entityType": "User",
    "nonce": "0x9d22e6edfe5a80354b1ab4f8d431bef49d309b2eeb1412ebab21199d30ab0731",
    "signature": "0xa563f261c7a2793425169aca9150e53cb2dcb7a86c840246a6f20faa755ffd3e2187ee06704d3f8bb62c6baa904d816e28b8e50672341173987d92d39ce5624a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}