{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1429398",
    "entityType": "User",
    "nonce": "0xcfb30653ab5fedaf0a6a39dfb07c392e08071e12a05b6a4d7afa3015da5371b7",
    "signature": "0x9e6a01a342402e8386d079c7062cc2a98c0b6aa86321ca768d7c9b20d280c8836f4f2dc8bdd580e5c23798816a77415d772088a509fe075dc75c4c553af104c61c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}