{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x42e03f3625b89ee4600ff333e8e3ebcec39d015c2765d40c880056cb4225b5e8",
    "signature": "0x56d676dd8a5629db5d72be5ab4e1f1b236956640afa536b38025bc7d4aa6b26579bbc9c47f3400d1cd2ce6cf079cfbc32bfd90621e4326a26925d431143c8e701b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}