{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "496629",
    "entityType": "User",
    "nonce": "0x06392a9ffe8daf5b3fef93feb84f72b286b21870c370badeb3ba47a01ae34d11",
    "signature": "0x1bdedf04347640ef2d31d209114d87e4825574695c675f4d147a929c71fe15c34f726f20a8c15d5d4c07c7ebf193f9a1fed35ea183d2a4478598f0b8f7a83c4a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}