{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57594",
    "entityType": "User",
    "nonce": "0x3d847a1ee98a12b7226324c2308ab6678c111e83f5887c9dc9b90029886abcb8",
    "signature": "0xb47778c913e95c92ed42797893d5df298afe413bbe0adac821a3ac4bd4aa30b365534c486dd00fef889f6306b680387c609d5bd39b63fc56578e11b207b022b31c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}