{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe2f142dac1a1d67a5d72506425d22be845d70e96106742b276b9d86a345b03a9",
    "signature": "0x9aefe2abccb653c9df506bab6dc27b52cdc636d1c60b62c9c8919febb494e5b27d52b052276eaad77bc41f8f2f259592eb9a86cdca266884ea9cb0361066a2eb1b",
    "signer": "0xA5395Dd60Fecdc70D3C397C0C7e9D1d31630674D",
    "userId": "483611843"
  }
}