{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0xb52a5bf6143dedb13fa637d6130cf9919d7ea64f7c34e4217bf391668a4e123d",
    "signature": "0xd0bcf0974c8bc686d52bbb14b02c1428fcd4fda987e8b9b9d99926bc5ce599907996302a59b56dd9bdb804261384c9541831a38328281ab6224a6d0a6dab55841c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}