{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x5cde70345a469a758f5446dfe871c3386145003ef55752f6795e66a07ac88a0b",
    "signature": "0x9e4ffba55a954a3559ced68cd0250722ad36c847785266ee09f3ebbd910493e31a7ebc8bf1ed95c4ea35368d65baf473f5474198015fa8ad8bf2462aa9fba4551c",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}