{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104457",
    "entityType": "User",
    "nonce": "0xc17c6a8658ae3a2f97d89c2c9307643fe6e2be094a172f0f3c963949f1435ac8",
    "signature": "0xee010e43341ebf626d91fcb0f72b58e0506e349a840fa6d5899357d9487c429b133709b334532ad0b23319b59992f9c3cad77dc58315b9d26fc530a6cab59e751c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}