{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0xfbf5186e3687086be598d067dcd9df3f9cecae691fd31fe18fd67205a4b7d170",
    "signature": "0x965aca2babe58efbd93e7339e92b8db57fc4ddaacddd3e3ffc7e28fced58b137744aae660c6898bd79ec96a80962497afbcd4a5fbc9485ddb24de73e9449a3e11b",
    "signer": "0x858Be7885D181415aF81b736714608bbff4936d2",
    "userId": "357460890"
  }
}