{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0e1efa7a770892035d1b8b2ac78b579e844d4b59b97a5583c713ac250d1f01a1",
    "signature": "0x38d376b0dee82b9a9515961bbf8c67e3323f612e33e5c1be9a59291ac3c4392314b866c5dbd6a37d897ec0716f78ddc1d483a1490b5016a42df651b6ac09b9461c",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}