{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5fdee642cf71c6cef59679ad3998727390d193595cbb4b7a2b477f3ff6e9a92d",
    "signature": "0xb53bd8fffd08acc157fe48d38b551ad0c5cd59125b8e02945f41f8c0935dacf14dd04467cc608b9abb211b2bb9a5e026b0da12ddc252992ecb280779a9bbc61a1c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}