{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe47e042195c8297d485a817af63be23b7c3503020de956e152e489b2c28825f1",
    "signature": "0x3602abef4d13f7a05311edc0cc6e289d021550fee8d4b87e2fa518a9057112d94e041463d2369b23d9e2e037cd302f0aaf33de1da7b08867c521f13a99b5fb831c",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}