{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285992",
    "entityType": "User",
    "nonce": "0xa5552f49883eb69cde25860d2ea68fe7a7bf30f93019508cb1e205d4924b440a",
    "signature": "0xc462010c8c55919438e3dd36a759275317443f8c3879271da742207bdf04b2ba2a50240dd52d814ba6f17477f1369af11487ff2875acae1a96b59e42aedc45251b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}