{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1328392",
    "entityType": "User",
    "nonce": "0xb0cd2f2d9a8677367e712981a3d3cc9056dcf208d87d47c46ac21079ad59192c",
    "signature": "0xdaaa03b1686ac5edda974c4aadb8e7badd6b83ec7510d33312daa5e57f1ebf0102c0df5c97bd0a0fabc19510ac869268cdf10c913c146e3915ce0f721a86205d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}