{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0x4f9b7daf24cfb8ad9d2c48403ce97252203142eeb765e09f940624e2830f3aa5",
    "signature": "0xb71866f9aa54dfb0a5415817c86e4e69ffd72aa24795306a2f114641acee63b04df0abdc1a103256dc3d38567933480729afcccfdcd252cd863c21120ceb4ce31c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}