{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6b6fdf543c85846b94d8ffd5866c012a4e1ae59c4ac71c461272e11190568874",
    "signature": "0x3bcca23113e4100cc0114cb152047dad9fed0a78613941e84909ec96ab579899306b49108c3af8eb4e0baf91cdbdd88181ab828423939daa0541d93a41247a9d1b",
    "signer": "0xF6dFAd3798288a676b065b7A8322D2DdF924f286",
    "userId": "84950389"
  }
}