{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1512719",
    "entityType": "User",
    "nonce": "0xd52a53ef6575d407c28538aed0f61d41460e956f694c7bf5c7e2d9a0e34d7ff8",
    "signature": "0x879a57bdb2dff3786cf41e6be356717d275553d8038f0dd31276d3bbd8df8dc10fd013161191a67ebae95dbeee8d063423a4662c10c2ae5ad4196147b574e85c1c",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}