{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xafe429d0cd5f4d6c75e20b87b3e2527e9b6b63a82c40ce6bd413e2bd565c0d00",
    "signature": "0x496cf786e8d395c9cf1ecb308ae6f59357e65f9c01236a232ecf7d2f8aeb54a9606f526020e9c71d6630b7ff427a25211261b2211c3606474e77e963de262c4c1c",
    "signer": "0xf60d97565ebBCa309e6202BD7110e5EC3dBE9323",
    "userId": "548235328"
  }
}