{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe1db87bad77321e26bf270f6d318a20179162ec1e077b299f982f8a80da59efc",
    "signature": "0x33c0415cb79afca1d09de2b10fc2e6c3df1cffa209a7acfeb819cea162310cfa6a324011b54b876ca4aa2579080bedb20896c1f1fe14f10e206bdb2497ba227e1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}