{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1452833",
    "entityType": "User",
    "nonce": "0x55451fd9958d6ad14ce41c1dbbed54c2a98aef9b24cc75e9cb6cdf01e8ee8612",
    "signature": "0x387ae53d6c8b23023d2144ee256350a344b3a6018b0099139f0287d57f6928007c542759b02bde4bc1692a31a6cae9ec8bdd4430c89cd6c2e43153701d6033581b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}