{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276441",
    "entityType": "User",
    "nonce": "0xbb47dd190b15c13dc36bc77050a4421f6ae470320a3f451fd38db0eb80e8bc98",
    "signature": "0x55f494df7f08fe6a3f94eb5c75881c4a35853820d4418ce97fa9e54bc76fa6b156ef6fecd386795b66548d9d46d0852d17855305bde9c474f2f920900bd732c31c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}