{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316518",
    "entityType": "User",
    "nonce": "0x2eedc0d8672f6c1b8617ace86130a53b5f03bc0f60cfe6754ac7ca5538fdb5c2",
    "signature": "0x7e639bde1cf35f4dfb3fa4cfcfcda672cd9e46fa302baa67b5efc31ada1f63a212809ac40a0df09de8a0ce710a365152aa88adf929d0df3167f57fe9c02890471b",
    "signer": "0x74CfaB884c4efcDd5CeaD508180a670dC008e2F4",
    "userId": "131005715"
  }
}