{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7296",
    "entityType": "User",
    "nonce": "0x9827af1506febc19daa7b65cb5f81a537f883fb632083db4edf0ee9640868a0b",
    "signature": "0x61ec43866edda9b0e658fb72158642c25562624aa48ac869b96b8ca0f37c7b6c5fc912ed454dbd7dcfbdc7a68c98cbc616cb8a822f7f58eab76021c2f44551c81c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}