{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373162",
    "entityType": "User",
    "nonce": "0x0f24f61c64f3528f0c5a977650c1e7aa66235329629f8b4de674e0a847170925",
    "signature": "0x036d68e37985b3cd23d06a00b31d59eed52ca1326d5c6abd0c916f53ce3019ab654b500538574cbf9c96f41faf4098c84840ad8d7ce6334187a13af4e53126851b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}