{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xc8fe50ba817c02626525dcb159c370a3f2ef3d11b696fab6fa27d471a7716a25",
    "signature": "0xeab0817fb1f4a85ce459f12c3f11100fc41d92b95dae6ef75242c4b0aedf48b77add4f3b958812953e6b79fe24ad606cf0bdebf4c2b65c532caca1bc8acce7461b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}