{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330293",
    "entityType": "User",
    "nonce": "0x826b2443f5109a0474cffb5601946b7835010f155169c4e5f943d25e74dd0938",
    "signature": "0xa00d1b34c306ff34dbfcf81ddbb181e4381e0c3a1b4288fedb6f43fb61782e05163976437e0fee597271432c4f44e8b3ea96386466721b20c8c6801000dd0ccd1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}