{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa89d6aea87f1d59531e03d6f4eb01d808b70c65906d0e4ec25fa673a7ad8521",
    "signature": "0x9b5b5075a6a5410fe71528381f3f4ec4370e944ac45eefaf573f72a90be4fc305011f87fe2fd9e765e7e3741df2fab572a7ca78fe2f8deb0bcf6db0922e2f5e71b",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}