{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254796",
    "entityType": "User",
    "nonce": "0x8beaedeef60378a9c90173b1d014aba9263f3e035e99172088c4f6024da3294b",
    "signature": "0xd648332bf595965f015061d956ac739b4e7010acccfc02a3e49d4d152306e0f801ffb2625e81dbb120c48adbd08b749a8073019b38913e858ad85bbbbe84a4ae1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}