{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x1acd8cb8929b327aee0fa1fe583794a5be02baf7b773d91c822ff130a570901d",
    "signature": "0x27075e8ac81f6f6c5e840f8f7f5daca39aa91600e21c50e332143d9b9238b5470d83330543a30818ad46154b3e14cf048de59d50710f18acf15427c6d28cab0a1b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}