{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0xeb139868664d75a847f7bc14b4e32b6df3097c749fb8815ba692e7f2249ff284",
    "signature": "0x9eab7b06b115d5849d4eabc0fe76097f0cb353bc9858bff945dac0dcf96b25e059e6f7ba02afc70dcad63e48fed8b6491bae0c59a8ac283413cb798cee8df3671c",
    "signer": "0xC2f75Abe54443BaC80f6e53a97BeB0E4d3a71fF2",
    "userId": "639689916"
  }
}