{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44642",
    "entityType": "User",
    "nonce": "0x73d86b9ee952274304c9f7ee59a65033333184c86d7f2c1fce4ce754d9d53c7f",
    "signature": "0xe7cc3f8c499542877091ce83a9982c76664989ee856b61f40ade31f0473440762aae49e6d5c69d11afbb4d0eb16354a287d3b111b83ca0ec2d820ea396d922dd1c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}