{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355193119",
    "entityType": "User",
    "nonce": "0x5462d0b284194be0e20fc78eb5e41bf5b5e0e8f6d508b4f27ae3aa659389762a",
    "signature": "0xbc93749aa196abe3a61d06d53ca4c45dc88f81a158de603eddf9d77cb86473f2781cfe438589a5cd40170b260d2afab44cdde1622cb9544675e39632639ab4fe1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}