{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1364074",
    "entityType": "User",
    "nonce": "0x84a24fbf19fe61e3e632284ec36c49f4131cc6053753fcbfd5d474949b248276",
    "signature": "0x1ed76873813969244e6ebfa9313c309a96ac265a04fe1201ddeaf005c5759de35a6c7144bd528ff84e0a9b47679e42be36308a657e8dbbfc353009b18d4c1e4e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}