{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9658",
    "entityType": "User",
    "nonce": "0x07d8a4c6f2b66e6575b8c1144d4b4dc63f8db8f5bcd0b0d10ecc7fa61775fc5f",
    "signature": "0x552e0fbaa6ef830227c4e15fc6c3e48a555863a0c4fa87f30cf890b1200220eb7e3673f39e9825ea6f4ca4ebb485a9d3df66daa4668d54ef3490050acb1706811b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}