{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0x3469e5a6dce02b1dbf65d93abec1be8db91b1bdf31d5fa8315e923bef81e1cda",
    "signature": "0xbe4aaaae3f4f8a27b6aecebf83728982adf0ea68d410311e3803f5920147c10b06e205f8b68c5bca1be22b9eee4538ace0657f90b5b98dae3fc3b1074e4b7d3c1b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}