{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238712",
    "entityType": "User",
    "nonce": "0xbb3d1693000e29bafa6573873244496dd3925230495a2a1c174aae3c2d7813ba",
    "signature": "0x90036076ccf9888abee9d04fd8bfb48094f140d9365637a58e5a6984b9be32674aa4d2a81696184e8d9f092f1f68affdda9470563fa7b8c72321e3cbf789cfc51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}