{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x07a4f3696e4331ecef90583831e0cc290bed1fbd6251b08b82251460e6f76c61",
    "signature": "0xdefd3e7dc3ee63983a3dbe14293838813e09b5765c82d96de9cd7c66cbb8001223922b9b4d8504faa58b3da0303045bcfd5d9bfaed344b8e3879b971b4300ecd1b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}