{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41976",
    "entityType": "User",
    "nonce": "0x13a153414524b7600c618add5de0f00ab9ff27a624f0412daacb517f29f50831",
    "signature": "0xd0102335494d90a50cfc464f7ad9d38b290590ea844987d778ba87bd60657e0c5b5b72fb02adfa1267ed5dd7381377679128d78b50870092f249e731c57f856c1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}