{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134943",
    "entityType": "User",
    "nonce": "0x9a2f2687205da2f7c4bfd54f5a9357ddd09c36f2444ede26ebc6028d188c17df",
    "signature": "0xdca891f3f78c1017c26c6320decf6f84c93af3462af334bd9249dd4ac64e45ad402e8e3e2981bb474f611bf6440cd086ae05cc5ebdac4e739f82a73b4b5e12581c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}