{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61230",
    "entityType": "User",
    "nonce": "0x20855f847c271cb5b7ba628453a510e6aa46e0f641ec1d94ba7d07591d1f5166",
    "signature": "0x889dd15f9b87dbc2bb12dea84a9469ca364ea38f02e1bfe89a995400fad301296f05fb6d9f48bad85f6a6be2aa2f4422c05e2d5c54186ce90c83f5b0204e05431c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}