{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x49278a159c03a25f8eb193ca069b3c6b61bd3f9bc1e956108d0c870d5e232519",
    "signature": "0xafb2e3fcca0ccf4254fc4e00df1865d300752283f6b53463c92faf36b73a06417257cb55b35192442b09dcc8708964b0953a4494f49f126ffb002655f28b69ac1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}