{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xa7afaaf7a55c11c810b95bba1ae0d4b7d45b4c1b7fa69cb9a8d15ac686d4d7f4",
    "signature": "0x95abd9365bcd48721eb9f993d61a5c2c6f2de953b557330c0ebb13a3253a95c23ef1e8a688ea07e949a639417ca0e30605a9d54cb1f61e51081d5a94dd7321ee1c",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}