{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105908",
    "entityType": "User",
    "nonce": "0xc0c8cc11e5156bc0d1433f30e249abdf2b2fd07c05bb5bec2d8372504f02fa11",
    "signature": "0x15225a2cda04ef39057eee9153034a01afe062b26314383cefbd9f146b22914d5badcd426b7a95a52a06ce81ba3075bb4f182180e6ec18cb5644e0d46faa2d211c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}