{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xbab2912b0d1a8b38db553dd5d1602176fa3bb5465ff43abe674aba97148d6dca",
    "signature": "0xc44dd1bbd8e30901d372e33f87f856faaa672d5e8dc2545c12b76697f0a18228416468df224da9ffd6f50edcd85f4080fbd4c2d1010c9a25deb3c22c2e866fea1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}