{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x23f159169f1d9bc3168371b238f4df9ae7c06f0a4a4fa9cda60646557775adf1",
    "signature": "0x9a8d3ef2d51f57c5fc215bfb4ce715ec738073efad596226fe3212da24919ad61c0fb950216e26b8a92364864663be9400e4c5d78d46aca57fcea8c02c3d80161c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}