{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0x2d1e8a5ae15418d7e2b16a06e764458e5779d57b5ba28a82f6fcbeb1acfa5d09",
    "signature": "0x6bdaf7462341543660d0f02413198b4f25749d6737b9bb0100a24a25f3c8719847600126de7971584ce702f6902cadc8bd3b25612fa52a7d59426316ec2488df1c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}