{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145731",
    "entityType": "User",
    "nonce": "0x145af75dfd8c12bd32a7762699ab4443279add908409d6a93940ab255b576fb8",
    "signature": "0x5686dbedd14007224df9085ad108fa70635a3364efd135c0dc1c96955409f0c879d666bf2ad3dcfbd763cb542f47f0256760a0887fd504918102d9fdee5854101c",
    "signer": "0x06e4E068e92e3033AB2dcaf7E86aeCaD6eDcE719",
    "userId": "45970"
  }
}