{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128120",
    "entityType": "User",
    "nonce": "0xca0d9a0c814f7ea28714d664133a1c4ff4d13f9135aeca3103cb326f295d5fb4",
    "signature": "0xe75e44fbb0def6d35cc09cfe831df0e2a1cda9f1ecadc183937e12dd17dddcac21de39e3368f17c465feeacd4b82c063e9a445d1f1515f225348df03b38ea4d51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}