{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xfbf3eef271d70ec4c7fc83c52f20e102140da029ee4b64162ecb9dbc59860383",
    "signature": "0x417096c19a4cc98681abcb47bf1c4f54543d344330422125234a86e83c6d10ca379bcfd76bb0f77ebfe14f0c2b4cdfaf937097bd040013eb35b822fb7fd3d1151b",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}