{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49987",
    "entityType": "User",
    "nonce": "0x7628cef57efcea244d0d2d2938edddc455c1ce3e3486b47f739bdaa3cd5c19cf",
    "signature": "0x2a9797e315ba1124e4a73859cd361ff827b430972b8d6a8dc0710029a1d4edee26d6f98442d469a6f0d09545083e20961a716b5c21a3b5519cb6c4e7f59fe9701c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}