{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110939",
    "entityType": "User",
    "nonce": "0x3846f11287a289009432fc5da321e5601978b6c741fbe0ca8280e8b942426ff9",
    "signature": "0x043e080350b41cd3e5c888ad52308dd1078f73d0a0d411a418733f8e91da0d250841edc3ccbc64c7d8cafa77e4a9f96650dd8b21543fb35cfb2564bcfb1130641c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}