{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1946151",
    "entityType": "User",
    "nonce": "0x4769b4a525c2c76bd612b30f56c2a957cb1629a8d5f517e0a704066958f9b143",
    "signature": "0x8f6265c8204cc76cd158abbc166cdfce9c6ce1bd92622fcb626d431ddcbdf16e7ff34bb821ff6af4c12d1c89b72b14da6ea73db6fdbfbd384263765f72400b9b1b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}