{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185748",
    "entityType": "User",
    "nonce": "0xe49a7cff2a74d971522333b0e9b844764a0dc44b964b2a93118808a639a5202b",
    "signature": "0x4793537dfd5803f311694334f4b00f52ab366a0eceffae07c631d7ee87de0bbd5c414bc522fcb3e2cafc4d7a3494e349b8874002e3893ed441b92583a4003bc61c",
    "signer": "0xEa18e4A421681E765a3c05b0dd4425b850bC70ED",
    "userId": "774002293"
  }
}