{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161720",
    "entityType": "User",
    "nonce": "0x6fe9a23a175b77eff30eb9582535f9e5e3b7d24678092250d99d968f34205034",
    "signature": "0x8516593b263ca450deb417c89bb829bdfc3bd5bf3f3b27397da9b0f6dfbde95111b60f65f1f274c62f55fa2694727ca9f8392e2a7f9fc83eb78809c3b36fc8c41b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}