{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0x3cd9963ec4eed4720252c9032e4905e6eaa28b29874a3494f21076367de8443f",
    "signature": "0x10efa0d77f2e5b6c78fbf53ddc97e0801891d32ab3b418fef286f60ad1f243ac1ff482d77e3e16965bdb039004d51b9f6d3465fc4a62e3604eb4982b18ae88441c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}