{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3756",
    "entityType": "User",
    "nonce": "0x1e056f6819a3515679923d054b96aefcb14d0a80e87f1f8b5c6c0c19fa3fd0f4",
    "signature": "0x475e06283ee8228d846801cc641f608d4f03abaaf3114498ea35f2952344db4805506d5b3312af3099c637e9c951edb57d3100d44a95ad889949b3166372ed431b",
    "signer": "0x32e5e224E0727A7B2CA7FBC47b945D1B1A59abDc",
    "userId": "76829893"
  }
}