{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893863695",
    "entityType": "User",
    "nonce": "0xad87baa27a2dede545b2d8c8f7bfc28df7adf02f6b45945488c6dd0968fbbdf9",
    "signature": "0x955f453be9b63efeab26b7728a5ae11d89da3f45359fe72c63efbf8e588634990d35f050ed0974d33cb52db91991e8225415fc2f8a740519dd155aefeacca86c1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}