{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13",
    "entityType": "User",
    "nonce": "0xdaeec05d241eaac5ed842f6638ad69cbe24a11b9ca5be767c863ac651e3c8d60",
    "signature": "0x219ae4f7b1b10d504a0c4f03f7e025d4f7a25b1587d100f360c2295f258dc31a753e279e8272389ffe0063d662c0153396863a9f0bc902f9b07853989af53c0a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}