{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127651",
    "entityType": "User",
    "nonce": "0x7d0c925c5f3e17855f905bffb326efe21de8eece84a113e10683f10a61513a02",
    "signature": "0x8042ea6967b64a21b36315843efa2f74ff370ade987a1a1143a8cc4ee013497b4e8a842cf570106c6e3a51296718b71c74ab548b1013d6926ed8d5010d5a31091c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}