{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "675830993",
    "entityType": "User",
    "nonce": "0x605163072ce54ef548d4d493062362564c9774637e642363909fb897fb7ea3aa",
    "signature": "0x31bcc2223bafbd9e571a087cd74ae2bfb9f371475e32bc5755f7623ecbbed7785f1255bcce89f008c94aa7705b0dcf651ebb976472008f50eef092da25bbf1391b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}