{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146522",
    "entityType": "User",
    "nonce": "0x027a55ac84bd96315c4ac8f9266c3c2cf831e3a32d314c80fe95945e591d7390",
    "signature": "0xd906a387d72b7037bccba188087e69f6ec1905e030277e7591e0360c22fe302675ee67048f6647a26dc1454d5113155ef4ce21d3845209c528d4ed3540fc81c81b",
    "signer": "0xCd2918bCc3A626Fcb36c59D541ea1A64EbC0cfdF",
    "userId": "104409"
  }
}