{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x026acea89720b1a3f78cc481cde53b05926a25003dde0d1048e88ae837d9512d",
    "signature": "0xf97925d1e0d073a4867a8f8cef64c1df54ce616d1dad95fa5bf466a593dff1a3064871a30bb4711c5eb130d39860e9c30011d013bdf801df699d12a2b1eb9df41c",
    "signer": "0x196A6c15EBE87a318DfFf45b5441EB5Cb1608F48",
    "userId": "318573772"
  }
}