{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x99f216539a84964504eefcb16676af7774b7e1498e9d29e9738dd10b528e674c",
    "signature": "0x97f492ee1cbcf5f06f51b44d55ae61d42cc4f34fb96f8c04c2e60fb389f13c491c0529233c7fb196b66df6dd4f54ffb3b3368a5c8b4fab36033a44299e87e0e51b",
    "signer": "0x4b6B842af75cfAF1fb1Bd7B073C47b1001242a5C",
    "userId": "539898390"
  }
}