{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74312",
    "entityType": "User",
    "nonce": "0x7bbc8cf43ed3d6f176bf95ffb01c86960acbd2cae43433f174a71df528731bb7",
    "signature": "0x1c43de67a29dc3462845a962ad3bebc904103886fed883346339ea406242a5ad424818d00f7f12775b953479f72e9646e53ba86e681f263d34a7fd61c64bf7a81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}