{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x3e99d91ed052850bae62373ee3ff289a6768860c3ab4f25f97ab1801bf8a3a54",
    "signature": "0xf647c943c355f763bceef271023452eb7c0fedb57a274843818c640924914abe4296c7e3c4d79cd0e555d1d44c0979915da2873b2f1ae23fffa4b653adb372151c",
    "signer": "0x6ecE2D82C15fa37cd66A99B21fffD5ad71a32457",
    "userId": "71132378"
  }
}