{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0x66f6e340f1c2d2a334b9b52f5328445d86c5fde53636a52253a730886521ceeb",
    "signature": "0x40fa19d5fd556df04e95bbfc6060f41632a977a3be73a22fbce8d4c15e29cd2b287b6ea6cd85f0e34453b3630b2ef6b6b7899c569210ee2b4280877ba42be72c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}