{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xa4021ea432e57d3e6fa486ff066c93d146a797e3066a1f6d969dc455aefe1e64",
    "signature": "0x40caf615d0324f9ce9f5a7e5cdf9697acb7e534acd234645f1182212b9d8c573723d66ac88d2922f5d122bc794a5e71e1f5d9e5eeac0112a02cbc1069c485f9c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}