{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101812",
    "entityType": "User",
    "nonce": "0x752e9122fc89109d26d0d0280acdb9e65046ee5c9b707df023b386240e931b90",
    "signature": "0x53588cd67a1dfac8a4af6f21d79e90cf3e4598d9551f56b89f88f956ab5b35532eedfd54629353ff8af9ddd11139c34423614c234107f76d7d0dbbc3c19699fd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}