{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x262dc7bdea9369c3d0ccfd216a9039763d31de8df5a916ccd35dde19ad4b6ab0",
    "signature": "0xfc338955c3592de8ad286dd1e48c67735d9a520ba566f9bdc0c52ecde4aa22c228ee83d1e2b1f140b4482770b5d9f746d28f6476794ec224b4c05e5bf09fa5c71c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}