{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54042",
    "entityType": "User",
    "nonce": "0x6ecade4395f8d853199f4d52cd6e620ffc45937ae1428b12fa2f4b46068aa21a",
    "signature": "0x7490e2d62c9aee9c3894e1f500f251378d439c3098a69fad4c17debec8b73f2d25ee117eca11d22870d7a96ec8b64038c70eb4e57c083c71a9d971abef488d231c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}