{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150631",
    "entityType": "User",
    "nonce": "0x460f5e96b2e846a30b71a3babe70a4ea107728377d79626da51787f17a21512e",
    "signature": "0xf41f7515fd237e1326b4632aad24326ba591f1ea8ad64fd2c5b947922f7d11ce4d36371ca05df339c5c09a45b6bf9bcfa8c0038902dce52c24c736d3a51f57af1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}