{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77155",
    "entityType": "User",
    "nonce": "0x19ea17ad7619785a5020edc59e65ffa480b9fe6526d380ed9d2c0f6f262c06d5",
    "signature": "0xabc68bc4947de2c5ab6b9a185678e7e05c70d505f0f719c11b4a98f53e50a51776e6f691b0035e17e9d6ed5f96353ef4d3ecc90eb4fadb0291a3824fecb5d98c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}