{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84622",
    "entityType": "User",
    "nonce": "0xf8936d886fbae985d6edd283bd77a0d5e9d583af1db32956638bdc8eb358d4a1",
    "signature": "0x81d3fbf515d58fc7e31bae61fcd8ab0d1fd1dd92609a71a9722b03e20542f5ff61abdebb6cded50320e6592bbc965ea10eb64d7ee58908b0fb6593af06a145f81b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}