{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6195",
    "entityType": "User",
    "nonce": "0x4368c1e87921453e6c3a303f5e05f343090667f5050657cf81675d0f9170e0fb",
    "signature": "0x0050dc4a56fe4a99bb53ff2db6ce34d717d89ee57cceb7373407d77475bd6c7a0c33418428d23848bbdc5d97ce3e4ba2188d4805d823d7141407e3dde5f8f9151c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}