{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361531",
    "entityType": "User",
    "nonce": "0x1f7a8f9793524ca1ba2893b5eaa34c9cabc1b618b40051307c0b29f9bff8662e",
    "signature": "0xa3f700dfd01c9775f33871d0866aeb4768f3e9691775be4006a07176661d782e32a03977acd71a5c9f4e5641562f2cecb46c8ebf8a6b29dcdd7e81d5635bd6481b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}