{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813156194",
    "entityType": "User",
    "nonce": "0xd3ef250f1fac2ea02dfecb13295b93a1300674278f7878ef145f8fde35e6e204",
    "signature": "0x401c6a6e04e04bd4b521e730483e0c08f5451942f701f57d8dc3e166481483d4198b5378cdf46bdb24734c3e17f1046fc518168bc941e6b3a501d503747752b11b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}