{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0xe00e0a1934c2252f581e35bf448338f7ed933a91b049c8ee39bfd8cb8577f0db",
    "signature": "0xbf842458f794c94ffa46893841e774de7d8b2a3129bf0d7847d2c0797d17effc6952dc235357d956a5eb5601e0f33de2a87bdfc16ba2f35645d61b6e423348401c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}