{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x84c35335f9bd21aa93b1bd9f9a208b1dbd46cc7605099ecf892ead9ecf89dbf8",
    "signature": "0xa2ca7d16bf634a1085ff3831ed41348f53bdb159ddea77be780c12f30adbc4b164eaa17ebe430491d30321db0364b7a496a73183b2be45ce97fc75820707e6fc1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}