{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1513",
    "entityType": "User",
    "nonce": "0x231f3d7c336a631146389b747a4d7757d4157164f9e071e475c39f43c5cd8867",
    "signature": "0xcd1b0e0536e8d60f65ae0ee6293cec1640a4d64aa9a3169d37aefe032fc7deac5d550f907808d315fe331de7ebbdbf5526ffda88ab3ad8bef4a25a9c5d2392bf1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}