{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10885",
    "entityType": "User",
    "nonce": "0x597908d9c93edd2c2cfb66517e50c17ddc6dd84183f0d9fe3d3740b83a46b9bb",
    "signature": "0x14389ba629087b9581cf39f03c012fb8e05b6ed0621b5e5aca27c11dac7985072da274a2149809dbbcc8f3b19caf01e3a5c261314605437b4d3a01ab8c573f661b",
    "signer": "0xeC1219421eB7c3f9Ae2846E885f45BDb4509ccF8",
    "userId": "892020777"
  }
}