{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5c5c048941dca7daa1d8016d5e7641bb5cb8071fc0c7c9e6d8687828d50bddb0",
    "signature": "0xbb3aad89ce957a00bbac9153ccd48918de1b9a6539e8c1f8a251e1286bc22df21d8d82829c993fd69ba386792c2391d47fd18d47df9754d4d03de8812d03834b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}