{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0x68038b91ac4bc8ee81d2f09d139aaf5f311a7c8ec1891c023f6030dcd8116ca0",
    "signature": "0xe442400351430c911873afef856d7e3becce7e43d1f713526c1b3bfa6f9f13150b5ecc0f253608d73cf36682869af804755c3f284f4a618f1cf9852065eb90531c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}