{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xbbfd2f7ed4bfa06e7b895b804b211d3293da8f5dd787de1329fa59c8d8fd2a6a",
    "signature": "0xf7f8bdabff970b5b70d9a07b42dd08887a471102a07f7e5d7bbc9b1f9fc7ca7347901aa16de408192b486a14cdc4b4b3a633b96d03b6c637482e0d6a2d2d43971c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}