{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115325",
    "entityType": "User",
    "nonce": "0xafbb12e5bf43804a3db7d911217327ff268da0f3ff490d87f23d3375e35a8b96",
    "signature": "0xe71b81c43f54584a523633103fb96df80ccc5f0abb6f69e22b5922fa75931e86688d1ae2d2fd5ca4ab0fe6fa549ccbcc94e357b2627b409520c197a912041f841c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}