{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78985",
    "entityType": "User",
    "nonce": "0x913d346bdebb49836844eb17a9d7a466af2204346665a28b25efe867c1e91cc0",
    "signature": "0x680824892a275b0e4bae4d5a029d3cf37b89f240b0292edf06be6958b93fb7b955c887c55e2294eac50ae4d02c25093c6c4e4e9c49a990c949c67ea9865d09171c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}