{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37350",
    "entityType": "User",
    "nonce": "0xdce4ec86b20c614db4e43541c033d007ad49c016900d5981f6879c9ddcb53a93",
    "signature": "0xec6a0ba30395e13d1436947931c8aeb61fce1dc6ec812225eb2e2bc41e68c3532dbd07f272bc3a530f9e88b3e6a6797b8ffd6b625b242125d07abc445da337361c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}