{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa5dffadf60cae79165f7b6d5768d08e5c1ead1c2cc383ced1724b0749ca63310",
    "signature": "0xe715ad0c8f1c6fcaf35f3f7f4a8129b3c5337a767b9da56a0be22cff31c8019e6317ae22bdeb5941ecf0ea7edf0b166231f6a3596b869684c2928211073db74a1b",
    "signer": "0x06Fc53E9F670c7467FF654A4C068a5f0d083d04E",
    "userId": "8952645"
  }
}