{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x02aa3e955ea7f25c9eb7d932b480cbd6315e78accec12d0f35ac0f2dd7ab14d4",
    "signature": "0x5d61da4a24b77fdfb2a53ed0671a4c7e615e2ca696ac75fcd2d893979a20ba1d7babea0035264eb9cd8f388bd7dced94c1e0ee1817d9f43b162963bead0dc26a1b",
    "signer": "0xbE8e39b4b8532DeB0fc0DfE7a9f28e479aef40EE",
    "userId": "632391189"
  }
}