{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0x0907bc729dc01dcfcc14b60c56aa22bddb3f3e145f08272eee7980640f82802e",
    "signature": "0xa43ab3e6b845805e5455278ea2d91e51574cf51a9fc0f2a8c7bd6afc03f0d8085ca52967d3df9e3ded875e6cbeae8db75d4883d5fa64bced2710903841c1734a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}