{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3f43853462612befed73432e2594ef6d988c15082c7bfc9fd13eed758b07fb9d",
    "signature": "0xacfb4bd3a95375882379ae2ae64fd669dc851cd187b197cf1809c6fc13b84f362929a7cbdaff7b08f84391d5e97103e12cb7cbb09d097bced565b6fb96913c451c",
    "signer": "0x165C923036e67C353513E94DE00C7Dc599BdBAdA",
    "userId": "589537118"
  }
}