{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22090",
    "entityType": "User",
    "nonce": "0x679e10e565253aaeb0d32013cbcde1b3114b0d0afae9f01066e7f89e57e167d1",
    "signature": "0xbd3ccda754407d0c684e4ba2c4142f7f65c3525f5ab3de4cf29eae108c042da06f56aa30d5cc205a4761187c127cbfc14ece2df3a3496940aad91139d0746b681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}