{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224945",
    "entityType": "User",
    "nonce": "0x9d1a8fc7ce07f546b565800532a19d390b7c149c69c5a8d55d947bdd48b9ab02",
    "signature": "0xb47d04daeb8fb2a9644219841da6e1ddf5cbcf0ec9058d9795ab0206b2d9725b07bf999d67d4c7ce6221dcda72fddf3872a51ee88f08f274ae815ca9208a2e221b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}