{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957751724",
    "entityType": "User",
    "nonce": "0x1dc32d7f5ac3888210c142fbb4369e58fdeec044d6315481fb34369538b3ed88",
    "signature": "0x035cfb008207c7eb378f073fe3de1318cc797889e33cd0f41a7dbfb0197dbf626b6c929525768316695b768d97d833971d7052fed342ede2f4ae611186caa60a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}