{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "879754759",
    "entityType": "User",
    "nonce": "0x8b55ff96627d0b8856e0b32e49ab161ca4c6d483741845d8e4050c99a8a38e3c",
    "signature": "0x6ec21c2a96f90a4e885a4467eed0b4ec68396156359517d4f8ab952633c4a99b3f63d4fd5dc542d2a2152c976f049ae15a0a51ff1e80fee6ab87435cea181f791b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}