{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463741311",
    "entityType": "User",
    "nonce": "0xb5644b12d88d4ae9f1956931ed1491215ece7c9c0ece515dc0322ac792b892d5",
    "signature": "0x6ac79ca7a77497fc5fb5625974ca787cb294d0422a5c487530bf4e0d2fd730fe495ff903921f24bfd255599ccd034c4d2417359d7af314d9508ecda23edbe10b1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}