{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x6ff5d85b16f6737f6f8326354b2af62b6ab15663f5df28f532e529829b839af9",
    "signature": "0x1d490ebaf5750f8be879c3202ccff41847670ac997351406b4a5d586265b91556cb29aef51ff6ecfbce8b6fd7f70df79d9a733ff2edf19e1a83abf93987364bb1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}