{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143226702",
    "entityType": "User",
    "nonce": "0x73932be7537194f960d3467d558d1340f90208ef77f60b2ab7f25e37e96322e8",
    "signature": "0xeeb1e9b2ad1a206b9efebc58f585bde4a0e056333ab114e70c665c2ce070d14875d8082afd1c3fa2a0b23d4c43e3e82554c6d25bd6f90a1a2d0208ea5b5737231b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}