{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44526",
    "entityType": "User",
    "nonce": "0x463e47550e9bf5900e9004d01035d064ae1b2b2749d63736e590bb331e928963",
    "signature": "0xa431b8d3479fd1815c4086e0c65a3382313c4e2067e06ba5dd034a3ba7ac17fc38256a3c755c6ca7e667790545b0c4129b9f44c0c3fa750699c728ae988cc4fd1c",
    "signer": "0xf35B27D13B226b396cB6FD8f7C94b9A085D3756E",
    "userId": "265427941"
  }
}