{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328416",
    "entityType": "User",
    "nonce": "0xcfa48468f608ded3a7416852062aae6c50fddfaf4b310aa95c4c2d368d89d807",
    "signature": "0x6e99166b5cb2910eadba2972685e800f319685567f15b0e8ef13b89470c872446af540c89e847db8317e243beee45ce622026356299256ce8472f407c4d1f3f01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}