{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1979831",
    "entityType": "User",
    "nonce": "0x76c1832574dde3891c74959241c3a7f16851074249b1b00503b34322b49744f8",
    "signature": "0x0237008eb752fe7e836756557f960bfe693279b72522ed6b6905c20114709932013fd0cea91ab4375f6e44986aff6a3cdf642934fb91ac54b0603aa0895413681b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}