{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147189",
    "entityType": "User",
    "nonce": "0xe596031104f4f231f31889267c1fac5929a92f1e9698d0790225c393dc270270",
    "signature": "0xffb37b6931952e2e9c0fb7e52a1f0a9697f88a43e01801cffbca20a1b9bf18ba0f30e3019e35a606e1eda3e0d1982a57b68556a62b59728d776274993c9f5b0c1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}