{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324297",
    "entityType": "User",
    "nonce": "0xd4d88f2444204eae206dae188100bd49191c9670cbc72826f352b1f5e0b1d658",
    "signature": "0xcd8a2d77447142cfdfbbb460183c1901a9494f424999a21dea35a25d5d3d94383b5b4384f009df127fe69c5551d8e2c0be4da23b76485c909e1ca2936f0301c11b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}