{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205184",
    "entityType": "User",
    "nonce": "0xb90406075f4cf1dadde53a8ff6b4acea6b54cc0db46838d00a361ecf158dfff6",
    "signature": "0xe2c6b3f71796ca7226d43ba6ff8dddf004eaa5b544bafcc8c8e08f0655a7327237ae992f4179decd89f4e820c4745ea4124bb2d33fca4d1f02badb9eefc15e671c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}