{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "300177",
    "entityType": "User",
    "nonce": "0x9bf54b73dd30a88509246b761c9518c643cbe28b6d2c1f34f8ebce6cc9c24c94",
    "signature": "0xfa9af660a9d51f1b801185cee17cae0c64c849f92d40ea51842807ca9a21d68850d9be8fe63eacee5bf65934d700cc780a48278a1df990920dffa5127c1fb5d71c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}