{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71927",
    "entityType": "User",
    "nonce": "0x8f3e178c49e521d92894f6005cfb07fb2745d6036996ebc1dab00751c7b233b9",
    "signature": "0xc00e1320d05c9b292f3484fae188ae1b999406c72103e406ef7efd4e1c948fc9687a54a34a83c8cbb04e7dcd4bc164ed80e3c7a73c8552cb9c9ce0a414f0bb691b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}