{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xd03b37bd3d925e39535de783b6d36133ad9cc773403ec324fc53eb67047889c8",
    "signature": "0xfb54f6ae467feb31033d92a6bb1a01cd258c50ef1edaa75daae74a7727227c6b574c9c4ad2d16dc6abd6417c67c2472191b950c9c356dbc457da8588aef94f701b",
    "signer": "0x7EB9BADbB225C61Feb02f1C6E9FDf3Ee544E8b2e",
    "userId": "741012897"
  }
}