{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88849",
    "entityType": "User",
    "nonce": "0xd91cffc11427abe3b797fe86ef16d4ef1e15302a7058bc0b593c25eeeadb0609",
    "signature": "0x155011245e15c1a0df02380342c63104f9614338484d583422913dca82d4a0e8564066f4702f7f87c1f89bee953fcbf1bb298a889c83de748fa6108074fe7b6b1b",
    "signer": "0xff61C2F581c4C2d8Dd7096dd6f44505117256C6e",
    "userId": "695559277"
  }
}