{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x8d0e6f58da8d9282c2df23cb9cbd7ed3ebbc327000a2b5f4e8678ceb3e117cf6",
    "signature": "0x9f7cdb51c70a4ed0012811f1c5e200a1f32b8c6a54d48478fb7962627ece07e9321a1e4032a66f597b1b441bf842e3c8209a557bbf05e164fdd8525806a82df71c",
    "signer": "0xf0F491bE628c3A5BF3904d1Ae68bc59234407951",
    "userId": "560417026"
  }
}