{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "675795",
    "entityType": "User",
    "nonce": "0xab5f27cb5580e71573dfab875c0a7fb7ae77ddf07969432ace0416ae0924454f",
    "signature": "0xa90db0a1ae0ad5c6a1a5d4cfc6a2b9c585176519cce29fc586b780bdc300249b50486d571d0152b15749d94e2d24c10be9ec47f81c2c15636815a78abfe8c6d21b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}