{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89455",
    "entityType": "User",
    "nonce": "0x08b34cdf5a8ef711a63a7a2e60cb0cd75df9300e0d91dd9ee133c4be1f843055",
    "signature": "0x1c577274053515b10f4e7b8e1dce9e9ec71d7cf1fb5bad03e166aecce36f05e9151e7868fd7cf59721145201ea3ce5556f1308d290b5f9b3ceb62cf5f2deaf401c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}