{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809421760",
    "entityType": "User",
    "nonce": "0x0b5313aec796c799fa17d813a262bf89bb75db67f6056b6040af8a679bcd7844",
    "signature": "0xfc49b7be1ca8d36593f1bc91c1ae563a860aecdce2fa8ca46771794ff99a1bc00ffc1123989941e83f2c2cae180259657a4bacb0f17ed6264e8a9f40f9dbe1a21b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}