{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105148",
    "entityType": "User",
    "nonce": "0xca46f9f55822e3821b822e686422feec615b851d18b64691b53988d468d700d3",
    "signature": "0x6a88dcdc332ecd49b3445336c69f1752f62a866e05c9b00f0cfbb06784dde79741e832963c0ef3969e4a7cfb6dddfaaeaf091e5221a26220b57cf9b6c8779d691b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}