{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105968",
    "entityType": "User",
    "nonce": "0xf04c445d3b649a2d9fc448f916b5e03874b10b67d450e2430b1f6760d33bf0e1",
    "signature": "0xa4c0ac304dd5508c51f13d25c83226a7086070905323362ea3ef23b18508252a466773767b586064ba4651889fa3600747be57f224771634b03caaff925ca42f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}