{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283769",
    "entityType": "User",
    "nonce": "0xdd6ea036e157d4b77ba72eaa79c7f11e14460be8fd939a44dbd8c18bb0289b80",
    "signature": "0xcdb74e6f5a9060fc61a64e8b7eb98332574a0f19f9545b4e67b386751a09539728f12d5b4daa54ed0fa649a5795b79defed19916477a4cee2decf0a192dc38a51c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}