{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2971",
    "entityType": "User",
    "nonce": "0xcf7b3eaea5caacd0733a4e6f9457ad6160f7c760264b35b5e862ce0ef4251428",
    "signature": "0x9aeb16553e46d4bb63e50a990f2c65faad6c015719682def82d5c1cc9a96abc7702619b583ef4b906214434a6c5125c246ea1291dcd75c1fd41296d0d0027f0d1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}