{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x3f5d97351decf4614e9c750fef854b58611f257defcb1414b443be95bf4c5c25",
    "signature": "0x4dfb6c2b253cb76fd6ae398883c30d46cc9f5baad6e539523161c26c3b6a890129ae9339e13bca452c801e62dcb8dbea835cddb6ee418746915fc3bfc2334ba71b",
    "signer": "0x95D5f6d03FD9e6Ae11F25Fe683EcA6fC4c0EF026",
    "userId": "689008688"
  }
}