{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1d3fa328a4b37a3d51dd4df56841c2c2eda9c7c231d7534ea65a8a2345a16f82",
    "signature": "0x2eb4e4082e2923e56a29be30fc6610c8441b6b35189a5f439fba1fd0762991cc47d7c6039766300edbfc6a4212579b9e29da44e7ec2e0f4506b3366d4740e41e1c",
    "signer": "0x62b9B0972AB23C7A067EFAc11d45b0fd04bc1a7F",
    "userId": "584239320"
  }
}