{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233533",
    "entityType": "User",
    "nonce": "0xc14ef4ac7958ff5fc5285aeee9085b05062e5c91ea9eed66efa17287775a94a3",
    "signature": "0x348e02f4c7c5a52329c511d1e3be369e1122baf24389c9f050828816fa5ba0b01da4c83043b84f1d61b6a4084e8356a345a35ca90b50fb12655a5377f9c4e5731c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}