{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7994",
    "entityType": "User",
    "nonce": "0x7957ccd7b40380a092f8d1864e2c40b5b2e09d9cd1c0695aa0ad73526e13ef2d",
    "signature": "0x93625c17ad72eb3f9ee5e01fff5f73a4f007a9ddaf1aad9c1f8dc4f9c9465987350a8ffd9a535efdc68dbba7c78120e5677b9331ecb3c9852eeee03316c536e11c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}