{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xadcfb0c5acff23a28f1c1293505f0bb8752e776c83d744f1a4d4a60e2e6e800b",
    "signature": "0xc6d877a8c80ad333188aeb52d466d73e0f50d655c366b3af7a0e4305e868b5161ad4a35a1bc98e5fd04a24003a6dd4737d52598f171a2950b51a751f1c2c850e1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}