{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27983",
    "entityType": "User",
    "nonce": "0x072c4c38e753ead21021de3293895af496f897c8cac8d42b7b3e842d163ddfd9",
    "signature": "0x27723137902e9f681af9e9a6642cd27cbca4b8fbb2906d445a9427f6350e22cb795c85dcefc32f8b6d524f30f4afd0a203b2b8790475db090aff5ee3483e675d1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}