{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6769",
    "entityType": "User",
    "nonce": "0x1c482c23b15a40c785f73b49f34e0ac27f0c34cfbce01b8dfa4ce83d5866e2bd",
    "signature": "0x472a19f054d0088625fe5d5095136e497db729b45b9ab8f2025f85434532223d19fb33ccbbfaa50c74fd40dcc51dea90540dda234493e57ef99004e78de3304b1c",
    "signer": "0xf86eFbd04a21E17dBD9908C016306c8211e740B4",
    "userId": "770730210"
  }
}