{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xacb40818877e95a1429aaf99327d131c6113e5978d7679805be7a57274710ee9",
    "signature": "0x07ce95374d6886b4d8f51fb18083c5476b9f14a83b148793d0ad2b67c588803e2719e2d81dd6bfe9004558ce8ce05b450fbbfa1f2c80b1c27522053c4b6318d11c",
    "signer": "0x8EA5798e08E1Fa9c75787f2cb2790614cc99aA66",
    "userId": "243257051"
  }
}