{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134623867",
    "entityType": "User",
    "nonce": "0xb4e2ae4e553819a730fd3bdec79f1b5e996b6cd5a14f12b92d96d336a31d45a9",
    "signature": "0xb9477a5028012b2d2b94f5937ac9e6cfdad19ef599f1581878490d81ee0e349a408a93df54d61424d7e9e26ac92248555f6c1f14b8ed754aabb3745fa9a7c7d81b",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}