{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0a3b1ddeca318b5d372610684ceb505d74d40c8172b4995e1313d0f4e857ff6c",
    "signature": "0x58b12a245229f91186fe5a10ba46e31f8e6751ed581f7e43ecf6e60a60f7c6bd1c765cce0038d1e46cb2f7763a8c382971e6b2aefb4fea0f7bf247bbe09846161c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}