{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0xfd79ab3b54eb061d9e91c436639753385c75fee9b0f882985062a53b0076bdf1",
    "signature": "0x52e2ce45db0db14595d5a3bb569b91fcbb0cfc26f648de9440d2fee3ddec69f367524ab67e6d97622248b440b3bf8ecc4fb427653e8efc4c8eea94bb6fd187c01c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}