{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xec9dacf0c7bb19b15eb704c4b4092105f4468a5113f357e73ef392c69747756f",
    "signature": "0x42ec19bd6972472340024a2da5e72f7b41beb6825323477497746c05c4d210eb1dfc1c3d9879ab42341d19e465a560031c1fe9e669cb4a360d44d1b67d727b301c",
    "signer": "0x6A72813Fa8AA17b1147243997B76e8191475e74a",
    "userId": "958967279"
  }
}