{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9109501127774df8d83fa07d1cda7ae97c3f352c366066814ca704d0b91ad3f0",
    "signature": "0x22b78ea326f498ed406b3f3691582ff75a3e35b841a66b0df957af06fc6333a75c7e5d13ac169c2c6b40503fdcea8670fca502b9902b0bbe3f6eb3859c39fed31b",
    "signer": "0xa85dce385eaA369F6073e0b6e242561d0870425C",
    "userId": "308558165"
  }
}