{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x98efd6bddf2f492e44672af96de55ee6b2bbc0eb917518bb1f3893547ea97635",
    "signature": "0x678b872fa364e03e01008eb5683230717b4ccde04af32a3fb33c42c825c7289574fe2ded3fb5f424ae4aea9bbc4a440f590274fd47392d219e13b00979ba43981b",
    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}