{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0x069352aea6cc0813f465dc9ad96bc0c1046eb1b0e792aaa53053c77da2f24775",
    "signature": "0x50e80ce46fb1379f48c46ecce0edd180f71d3104aa7abb06ebb4229723202a3e7f6f6acbd2b6907450d0190b8784e1b665c94638c54ab978dbbd340d5d4e463d1b",
    "signer": "0xa1962F596d0c21815F786Be31Cce30330233Cd5a",
    "userId": "653470626"
  }
}