{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xedb6550a1c81906940f9c70c820b1c9cd6a62be7793549e43a0374cddb9dbc87",
    "signature": "0xbd6d2b9d25a9b8357b7d1ac4fd92fce293899715779dd9661e6f63ac4de0a4043d393a11d764e708a0483dd52ecf8548e96ae4e4d02eaf1f6f9ecb5feb515cdb1c",
    "signer": "0x53f39D73a2dd51E9e8A362EF3b1383072E37cf26",
    "userId": "74209883"
  }
}