{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148098",
    "entityType": "User",
    "nonce": "0x6a537d7fc2254f0b121cc00861829ed04a27939531a348c8c7b7a2f519338398",
    "signature": "0x20da46f43272f3eede237c8f791371bfc2cadae14015fe8b716148516e83cf4e0e40c95bbdf85cff9bff23d2e182d5908f292d46dff5558a9b6fcb6f262347f11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}