{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77303531",
    "entityType": "User",
    "nonce": "0x8f7e3c69697e93fbabce74f4c3efac52b9bfabdfc735bed91fb68a36a499db6e",
    "signature": "0xd18092e477c7d33979d441f06889874cf9f3c0d6efd456389916ba0f549e571040e5db52d465d543ef0ee2279898b4f61636c54cdfaa993e4e22da27754d625c1b",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}