{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29281",
    "entityType": "User",
    "nonce": "0x897bd3175f895fc50d03407cc07edf9fc6c045a7e6b8e69fcb0adb211690e4a9",
    "signature": "0x4bc10c7b812dcf239b1fbd56b4ecedcafeb5c3d6988090ee8beb86192602522470dd76f5f6ddac4b3c4dc06c81805f5059e8883ab4dbfabdcd82ec41b65447d81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}