{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x3c492ce83d92f4c7576088a1603171f0ab303fc2fd917c5a7c2e34b34ad81406",
    "signature": "0x39222b8f29c6b3113060d70253bdd332988a96e9677c827ac001bc0a6eff9f9f09c5eb1f0698ac02dfe7709ad308ddd76dbd41128f91f7f73066108895756b941b",
    "signer": "0xBe0B2B2beC4B0A46ff11169512DF7f66E775c0B3",
    "userId": "196632465"
  }
}