{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128387",
    "entityType": "User",
    "nonce": "0x2964b8b129cb4f2952936b15809a0890978e8f2a71a008316a843901d64f0e8b",
    "signature": "0xbbac48ab7eb890e1e85fe6a538b4046c9a1a4b5fad56f37cb19abeb79c958d3755298e02f12e7c1c08a3949b7a3eb254b2480607c9b0b0043206152973bf654d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}