{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49040",
    "entityType": "User",
    "nonce": "0x25d1eb0949add443aaec4801460fdfb52d2874f2e92d056048847cda37191d70",
    "signature": "0x2c47c3e1e08f1a5756ed2f63bc6beb55a1de984ff1107e38acae9db5c09b284f6e746d3cb46b1a19f5b8638890b986e295501f4eca423f56da44fe6ad06febe81b",
    "signer": "0x85F3dE6E533ca5A34C56A0eE6d30251a26c4B00f",
    "userId": "846467322"
  }
}