{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x20598c7a918f9544105139f1a6bb4c8e967061ebae04992c7490bf7de31e63ef",
    "signature": "0xee440939b3e868ec312fb899a8f57382c31b42b69fdcc9268268103005099b8f4eed67360b546056f4d873d5a717c7974adb874b3473aa497c6f7b197e40fba91b",
    "signer": "0x2A4F31F94C0781556ccB9f9cd9d8e671dC69371e",
    "userId": "362070326"
  }
}