{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305916",
    "entityType": "User",
    "nonce": "0xa014193b0bdf082601e916fb1928a53d26caac0092f630ae9bc8217b35b4cc38",
    "signature": "0xef70443afa9bd83956a9fee2a1f3a9b1aa1105dcd0eb32c0c6f923e3e9577acb558d9991ee2bfabe57b9fea84fe1f0e097b70ee8c8f3c00485e194a2738d41d71b",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}