{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17536",
    "entityType": "User",
    "nonce": "0x5f318e0d1487013c4320f52e5442110ba8d17107d169df7169f32b79edea5aa8",
    "signature": "0xb9c2edfcaf18c82299250f5f7aad8c784ca8627fffccb5be2f5bd46a837230af1c3133119e0664fae05a6d57a0107d84c7db003577e65bb2c4da1c40a3f7f7ef1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}