{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7645",
    "entityType": "User",
    "nonce": "0x06ebfa8e93aec989383f6bbc25b03c21019bb667aa2a98f342d234b4eb9ec5db",
    "signature": "0x5facaf8e1db5c5db4eb0f8947baf7c483b20dfca66eedc990cb23f9dec849504446dc048b96288b3ed7a8d9dc147a2cb369313bd6561a12c9de18e31b1c9e5731c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}