{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269222",
    "entityType": "User",
    "nonce": "0x3f552cbf87eafc11b27f574e00659dd7ce06bfc0e7b5009a7533ae646c89ee6b",
    "signature": "0x4bc0417cfea10bfaae80e40d5dfc7858060bc0db10d3ed1dfcccb8fd9ad1cf413a7aaa6a7cddbd4561aac012f96acdbb593d48baea2f0be103d571b3054977b21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}