{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9956",
    "entityType": "User",
    "nonce": "0x320054f2b30968bf592be7e5662d25c8a38d788d5d0ecbf286b1e963e94df201",
    "signature": "0x25ff657897bc549d0be6f36c9f404daf581c967c1f0c31b4707f30768a884bce3a7162154896a3cd2d608ad385186b00f36273d2e802883e02f7a0a88484d8ba1c",
    "signer": "0x4810fE66B3A42DA4cb34b622aD9A069C293c6b86",
    "userId": "445042807"
  }
}