{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144906061",
    "entityType": "User",
    "nonce": "0xa0206c2bba1a4116823a7e36d086a669725c1e4ebce269f12e234cb920e604b9",
    "signature": "0xe71b86dda382145a4eeb6c79b75197b917b0703d92cc939bcc360f5c20aaed7626fa411bbbd148322bcb5b46fe8c7bea35dcc1c268f19cbfd4d17bf67a96323e1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}