{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65605",
    "entityType": "User",
    "nonce": "0xa2466f31c23f3928789322bf32e751c9f1b3be6b47ebe7c4be344ab51edcff32",
    "signature": "0x837a2bb416292129b1545ce4da879088fd9a6f2fcc6c452cadcfdb68fabd49ca18f552988cb1a08ef535c4f6c994459eeecdfb9f4c0ae93b32817b28555a817b1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}