{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776911957",
    "entityType": "User",
    "nonce": "0x4b91cf28fb46dcef13160c62f00612f020f85da2072d9c43b93ccad8ff215a8f",
    "signature": "0xcc2d4fff86dfc69d5c9d47f4b3b10bd1c2f9575d3d1b5ec6b3713e7dffffc9190480fc209264dbbafedf8ed18e332c7e0a2c633326bb4ae77769e14ac38508df1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}