{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1936520",
    "entityType": "User",
    "nonce": "0xa7d1955e88e0cd32dee15864924d31c47e383a5e6aecc9ab2584a998ef4a9ca4",
    "signature": "0xea9f36ea98bd2879497c419074747ef9f2cf87e85cd9634d2c46777eaa91ff9f7f5790be29230f1f91d66d0f696755f8e7d1f0abede136ec3b2550c395560e9e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}