{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0xd6e8456d521f06396e08ae0996e1a7e31d0c309fd8acfbf87f9cf053f64730f9",
    "signature": "0xcfd6674629daa2e8c1f96ae64662d8a9e2cfb973e3d58241cef94c821007f34157fb59d8b0cf33b0ba8b3f4d581a02e669aeffc3ebf59afa2d6859f532c2da351c",
    "signer": "0xF682515F1Bc2F663160bCa1CAfc22590942095Db",
    "userId": "258782633"
  }
}