{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843258957",
    "entityType": "User",
    "nonce": "0x96c1a6d0dd2d6d665cb648d39d185d5f709b3a5667bdf58ea06f817944035be1",
    "signature": "0x1aca3ab8695d75d3228e3d27d94de85c8c5d03508228446282ffc0c4069af40a301554373343c7dcb00fc1f3034c3e1dec50b4ae934bc02076963fbb0dbead481c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}