{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222766",
    "entityType": "User",
    "nonce": "0xf01c28f6369f521c881b70c5ee2816ad27dff8c2b6a9423328866ad0984e17f3",
    "signature": "0x1ea95650b5d3bfc9c1ec0ac0e71f25a3dcb60b2858ee9000b9bb7c1369a1eb0c1aef335363759ea13eca089fde6dd94aaeb44c8cbee6cf3f3beee9616aca8e811b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}