{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35548",
    "entityType": "User",
    "nonce": "0xc0cbaa0eb71c166e09130dce7023b32daaee4819c4feea3c43e7fe8f44a0c1c2",
    "signature": "0xb71a782b6f881dc322c503b4452aa799f8301df3fedfa54d2dff3debfc457c077f062336fef01be55267546b0a13458171e3f6a8c54987c47cbafbf95eb8e9d71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}