{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11380",
    "entityType": "User",
    "nonce": "0xc41db5ffc083dcdb3b3008c7f8be8a5588fc3d340b54fdd2b5769f40fa4b3141",
    "signature": "0x9876798c3fd402467f907d45ea096b46e535fe7576dc398283e6a03264c591a03e6713d646500d5a76caf64d90f99effd3090580c42957b398b06919245edf611c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}