{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04a514c2c7d7e61dc4a21822624d984585dc81dec8fbda596bc59bd103e63a8f",
    "signature": "0xc846448ad42f44b673ac147d13fbfa7488839003ebf1a4042ad5c2c533b28f4e3829bcfd08e9753f19528fe6f764d4ccd95b3ae0690607541e390924ee8589fe1b",
    "signer": "0x63f357A64EB56f8303e4C9Ef9B8f6328366e84d0",
    "userId": "239137724"
  }
}