{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158316",
    "entityType": "User",
    "nonce": "0xb4a2b99074500c41a447120b5d0139d6df1aeb44f8df6808ddea1a487da80bf1",
    "signature": "0xaeb883ed05b18e83726c9b25f225f39fc40f6032afb65ca8b6fd1eff5781ff4f4d54dfd2eaa6e558178e3181c0f6a1fc5b3f9fcafa7bfa279b01680a2fb748711b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}