{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17244",
    "entityType": "User",
    "nonce": "0x59419214c27d65414abe33dc70aa0868b851292025abe863b267e5dccb769fcd",
    "signature": "0xa5cbdd4fd611bab76a8d20ccc699638e07a9b5848196f53e22d24ee4db3f172a30f6cd7517b2e5f982672b0cbe0d4fc072a3f9ed1774ca577a0d0a04c1b1da391c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}