{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xbdb111c5137d954f00001ac1d81b05a9e1f7f5b9a5a50a77b00fc7ee1c726572",
    "signature": "0xdcc16557c0bcb890d49351d2abd35254ed5b3e4dcaf7e2e49d39dd7b7f8a70285e3a9a3f9274d06a0942af2a7aa53fe0e1196f13714fa4f67920b8fa31a6b0cb1b",
    "signer": "0x7C8aaCD05285e30d402BFF67359FCC5d87133207",
    "userId": "621738482"
  }
}