{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "678556080",
    "entityType": "User",
    "nonce": "0x95859152b099cd76982d464ac32961dc724566d9c1b27a80dadde2e2a5c1255e",
    "signature": "0x301554e1a6b22c5b9e12a790da647aa758a4435083d7fe75ad24631b52e2fa5c031358b62acc044ddcc92e708891e87ecf54a84a0d9b0773707b3d0711ae692a1c",
    "signer": "0x24553E6710cCcEA327185e7C6a2d80D895Db10e8",
    "userId": "1689148"
  }
}