{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40033",
    "entityType": "User",
    "nonce": "0xd84b388d8841c4734cfe7d4f5f2fc40c17106ebc9273981f274eb5a70516b1cc",
    "signature": "0x8f27b10ea12932a0cdb5af650470e2d79679128e1ad08f9f50d0b3861991e3a406384b07731d1e53018e46a9ec372c405cb2c24592292c54df7711969f4e83291c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}