{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x8eb666733136f89193bfe3240df968e83fcafaa4cf5c1da645ebbf6c94ecf538",
    "signature": "0x3a96316f0a1f4965d0853d1fe46d104535cfe5d9c2796ff68c0d9426aea74a02161e66645d91f1a5bdc99f114338f68fab65a33548446f12d2cb250e738f885a1b",
    "signer": "0x134f5c1f8716402474824c6A0AE855af1E3053eB",
    "userId": "462352719"
  }
}