{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xc8f4a71d01c54dcffcefadd7d591d15aec08fcfba19e51a15ec4bee0a1f24b57",
    "signature": "0x746ee433e26ccb09020ede16a66001ea97d6421f621fefa0e43500b8442e4f9e6cd7b8e3c4bafe600934b967ca0387271a8336513a05129a89474de67ccde2d01b",
    "signer": "0x85F59ae09C50C39DC9CE1660B0D49082C751ce0B",
    "userId": "162449215"
  }
}