{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348435",
    "entityType": "User",
    "nonce": "0xdf210bc9a8099a5a99f05dff23b6ae57dfcc0f7598ca966a9a58c011d2d20cf6",
    "signature": "0x53d35ac4cfa0a8c58931678f84fdea85309e77d53c26f303b9affb34a32b0a934d249c14352fa9a98d2f05f4dae47bebbb6e80efc1661b02588461f15fe60e671c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}