{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x4a011c35318af07bd8c6dbd59b725749289ca297849435f749d21f331effe4e9",
    "signature": "0x74e3f84a9d3d5d024252d3ab2d177d7cbe256495daf20b9c714c396cfd02f51605919087e84e4f48c96fd9e14aba6314748e7677521119c27042abb3f43332a41c",
    "signer": "0x452136c9843a1ab72B758B9cAb217BEff858Ab77",
    "userId": "825636807"
  }
}