{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8966",
    "entityType": "User",
    "nonce": "0x7fdc29a6d9b0f60e275eea2653d988c01f0ff0fc538142a00bd3b2f39891ed5d",
    "signature": "0xdff57fa7824f6b5e6a053eef841c55fa0f99966028d07740a81cc38c32d5f7ac2a46ca482f66fd08fb8ca6fa0f10cab1aaa3ee30f464594703fba17d9c62f0f11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}