{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf75d82597381b7b5e82976ce694eef5ba29f802c45aecdc2f6e307cabb1eced1",
    "signature": "0xbc77a621c7d11e1d2e1f0dff0ef1b11d36c4dbe727bee0d4f0e9607c5a2f686a35506b272ba2148ebd05854a00e13b98ec6c4a5eb7ff1c0041c49a7fdb277f3a1c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}