{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13867",
    "entityType": "User",
    "nonce": "0x3ae2f51b86da2ba3fd716d46299064b1f802bc0860ee6d55c3bac0c941ce4404",
    "signature": "0x672a02dd78437df37884ee695c28d70095c9abebb7b05f0cc7e9fc35a2a921ea3fccb212479a5a545b794ebd0d6b75fb7b84e167f56a20003a751ac5d796a9b51b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}