{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x3086a5ed7578642b27e5fb75cf6446c12e098f3a3bdff4e830a95a0c1ed89f20",
    "signature": "0xeb23c95c28644489c97566093175f3e2ab3bb6a4b76906a713ee56e8a9b9e662764d88cc88f7e124bdf019f19e60c699b1f9cc7c170fb02da5569cef59dcd56d1b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}