{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xacd6a1e4f6175cad18b4270505f13ad0cfe7fabad7ad3854342a62bc81d5572c",
    "signature": "0x949035588e470f47ebe27863df2665bcfa0a25c808a38587a9d2fcacd104f7b5291a712ae86722b6b42fd95c7a162364420b37d91a2c9cb7fa86d76f4cf307541c",
    "signer": "0x8c3542f22a26D26464E0294cd0E41239308213f7",
    "userId": "826451106"
  }
}