{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0dae279acaad33b32ad87519b570772b5654ab4c50631396866c524b26ab7cb8",
    "signature": "0x6f480863618d9ffe3264bacaf262d730943ef22acdd14233a9cfa33524b9db346bfa632a0707c145991eb1e159174e0db9e86b62fc9f2239f7995a1fbe59c1af1b",
    "signer": "0x8D4C92F56Fc0052e4B6a8C64B8f4513eb117bB33",
    "userId": "59273070"
  }
}