{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885732",
    "entityType": "User",
    "nonce": "0x59e288d552c0304dd2f248cf4c487f4f7ac3351fabe073c3213fe909735eebb2",
    "signature": "0x310ea0e0d1f3d17aaab623813ae193e748428a1d018119293e6983fe655a58191704df62c7cadd55a9e060717bcc45bdedc96d0b6dd6ab0d107d389bc4570a741b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}