{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125947",
    "entityType": "User",
    "nonce": "0x472efaf3ccd2bc29a9c669e40d9e09022af31a8719cb41032e9815a21ff6977f",
    "signature": "0x63d8b1e11e5578a6cb44a1c739f5fe1302627f1acfacac77ef0c7e9439c4bb5f61e3cc88ca44c1d2fac77705226ef41a1f7f93576b216b1d63cc357e8c8fcb681b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}