{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x921c3d0d4d0d79f5c735f982408a83ceac232b1f5f70a18b85f530c017ed841a",
    "signature": "0xcfb9ab7fd2899b78973484cfbeb15af05c47f1aeb7b8e9d09cf2331e85b056cc255c77d2e14d7339720f5384483ee8f1acfeb5c324be27bd720b4e5344a61fd41b",
    "signer": "0x4b1A8281F6C7611C75f6c44f1D3B258B0143F613",
    "userId": "513956582"
  }
}