{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461639812",
    "entityType": "User",
    "nonce": "0xd3df0bd9a2857de393cb3afac857e2fcf603c3c8e633da1f4efc3286e84ce667",
    "signature": "0x109061ae6a6245796b19618ab39f888354421b0f92a54f76da1622884592ac223a161ddec4365e57d5ee31f381128ce8f79590b06c4aafdca269d8cec2aa124a1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}