{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128685",
    "entityType": "User",
    "nonce": "0x08fab90b07300679580d3e27d7fc63006a6701e33432bdbaa676501f4dc1748b",
    "signature": "0x73b0aa029859c3e801930d8c29c788df5f10b4524ad4d15dd27e460f9da3a9d2563d0909b52903e31517fab33be0ca70c54e2e60b368ff0dd00f437dbdd760031b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}