{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125233",
    "entityType": "User",
    "nonce": "0xdc4f27533a978ed42876ff81da742520e9f768ebb555c440dbdf50ecb1e3fc50",
    "signature": "0x16f57a51070c4c9916bd7745e47dd35ff88edd2f9fd301b882dec4a6e50b9c4b2cc79b15cea291af95b5e42fc6e4ac947367f9b953598cf959c54a4c9e1e547e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}