{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32439",
    "entityType": "User",
    "nonce": "0xe75b2662b5d1ec8249793944e20e0f6934f006451a6615b56f4f1eec4c506372",
    "signature": "0x94b920061af5662e1cf67ed486c60aa03c83a87d12b517e3da03598e36a5d8e56c90df4a45f560fc16cd5e200b5f480b9ba84adbda9bff9e102d09a83989c0531b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}