{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67145",
    "entityType": "User",
    "nonce": "0xdb1fbde1103f16a8f50923c25ed978cb03f77dcaa46c8aada09d187dc3024c90",
    "signature": "0xf7ede9efc31affe23c3ba5aa723b2cb4dcbcd0ae75e25173f0e0bd208ff0e68877cd0ea92b72882f473e82fc266eeecda95ff005f43e8fc24dc8eaf7acd8b7791b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}