{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2530",
    "entityType": "User",
    "nonce": "0x64d9f7949465145d3d69a00470b85d221d91ec122633193196221aa86218e2fe",
    "signature": "0x9ecb3a3a533934134071b387ba08384d518694f7f6df19de1c91ec0da03923916e9c5e5f375985a50643f8be8eea129a219f173676bc4bbc201ea37df4fbcd321c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}