{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdd6ff9fd45255ddc9344f2ed04b966e5fe583906d4700f43797edbf2ec4ad1b9",
    "signature": "0x7fca80fd6104cd54899465796d92d885280136b48223ce6c2f5be2fd44687849207b06fa9d197921ecd1511f182a378b0b800408f126ab6a0bf35df8896a8e751c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}