{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71460",
    "entityType": "User",
    "nonce": "0x20f01370f97882232b2d687a9d680e563c900f5d6e6e93d5edef51b336c118b9",
    "signature": "0x439b790289cab66bb5e91c4f5329eb66f179e93679aeba4801f7044fd21944d83b2c591033a330992f06a3ada6330595845ea652f375eb68f21ca15a41d94eb01c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}