{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe4159af69e7e351a51a22d985077d98532d38ad826ba8d48de6ce19755ea1f48",
    "signature": "0xcb2b6545391c645c7b8eed53633b18d56e88fbe983e9e3de0f6505b8cebc57016f4612c294a3289a0f3ce12f6c1283120f2a8be219a66b2a3cffabe376f0acb11b",
    "signer": "0x004B5417Dc7a97C6e4fC91824604df56Ed56C52C",
    "userId": "835111870"
  }
}