{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0x7374b2eea945dfd4085811a051c3c78115ffcf0e71b30af7a08b18bc20ba5230",
    "signature": "0x3e68d33f28c0ab403723953fd4fdc5182dc06b527c710c2fe12280514b712b6b5f75a8d19cfa311906ce0212e5bf4e1d66a5ba7a38ba0dfbaf8b37f7628d59631b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}