{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170440",
    "entityType": "User",
    "nonce": "0x37a53a52e12d0fe3fd07a28d6090cff03c66f808e42b16d433b1803482cd911c",
    "signature": "0x4bf5dd1a9dba974975a6979e85adfb6c47d10f163598d791c854a809d70973a917da433c77a0375db84ae946cebe492e06e911c1f3919dc0a93474e4527c569b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}