{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297007",
    "entityType": "User",
    "nonce": "0x7b0268faccdd35cd8079c7f677b735fbbead013633d81859894186bd905b0fdd",
    "signature": "0x29f0d465150236854d8e92e4093a3e25b86c3a8d10c082f717821f38e51f439437a34873049f101d20eeb8215c477713dc0ab38f66f8025b487ea59d38ce201d1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}