{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22193",
    "entityType": "User",
    "nonce": "0x534924a82f741729b3f6f91e2b4165a632d707047e61d3e48927a09d43eafe07",
    "signature": "0x58d5e893732acbabfe111927b798eb3fe10ec69b90d1a0eb90f0588b7c62dace249c1b50fc0fabb6e62fc57fdcbb47a382fe73bfa24327e7467fd9da57215a271c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}