{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x7e9a70538dab30c493e0383fcb5e322b4b877d32204576a8c492c60d2cc6853a",
    "signature": "0x1b50289c9daa0af838aeda73fab4a458c8c88b7696bad65fe84f913aad1064272b8c7e6ae2b2ba6d3722b750664844cac78fe2ca0e6015f037239997ac94176e1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}