{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x050f31af1d2f02649eefd50d41acfae9c2c7c78491d39e4043b7e498acba4a1a",
    "signature": "0x1aacdf37dbc4ac2f08a714da7ff8ce5f91d35a206f8001579980c189e2e4cb060bc3c42d479eb2f12b364e0c2fdf326f6d65c53608a5618f24a4ea0d6ee2327b1c",
    "signer": "0x380Ec65A36A1655B8F92293e21aA15581356Fa85",
    "userId": "142361762"
  }
}