{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x0703fbb065ae14e8c09d109d5c921d099ddd0521e38e53336f3893f6894cc10e",
    "signature": "0x10ea5859d7dbfffc24abe5257b8450727321a5408e5a7681b362865c6966b15c5d678150e7648cae53b639c245a786338cb0062dab4ad5a54332f03c7ab3124c1b",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}