{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x69e42a6918c0a3ad12daaef44a350d100a123e6db1e7ebb986cb3a57cd825bd0",
    "signature": "0x2ba571db08b1df190e137a41d72ac330c1d53e2c8209e0186a6c4c671eb4b49e36bf533af7c79151d7bf09e46628432267f6e5a6c44697e8101ad367afdf5b6b1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}