{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90915",
    "entityType": "User",
    "nonce": "0x6c94beb04fd275ecdc52ecff4f8e70b15477adc4b07e3586c1e5e9bdb0cd2858",
    "signature": "0xc6805315d330abcd7fc4ff5e29d38d938a29576210aa9b4199f948aef6c9307b7759c1bbaa92162242e274a25a32aeae695a9224ebb2423d8bde93d2bc2040db1c",
    "signer": "0x10805E046e879D8e4503D67e495Fd1d280142e5D",
    "userId": "355715"
  }
}