{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48340",
    "entityType": "User",
    "nonce": "0xb496867a5af66799e91d9644cbe79e834e99164cd97d6fbb8a683c0d1a746c15",
    "signature": "0xba8d5f4edbbfa4cd22df80b9083fed0b33f0b10bb41c4c98240fccf9a68fc43b0a06cd10767ef0adcba28066ee20f36729b8844e28916b1576abdd87d6c32b571c",
    "signer": "0x65c85412e96F9349649Ce71a3241C28C9A02c37d",
    "userId": "582968222"
  }
}